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stack: Add default state saving

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Save the current child.
This commit is contained in:
Matthias Clasen
2021-06-02 23:11:05 -04:00
parent 26c5240dcb
commit ee0e82610c
1 changed files with 25 additions and 0 deletions
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25
gtk/gtkstack.c
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@@ -794,6 +794,29 @@ gtk_stack_set_property (GObject *object,
} }
} }
static gboolean
gtk_stack_save_state (GtkWidget *widget,
GVariantDict *dict,
gboolean *save_children)
{
g_variant_dict_insert (dict, "visible-page", "s", gtk_stack_get_visible_child_name (GTK_STACK (widget)));
*save_children = TRUE;
return TRUE;
}
static gboolean
gtk_stack_restore_state (GtkWidget *widget,
GVariant *data)
{
const char *name;
if (g_variant_lookup (data, "visible-page", "&s", &name))
gtk_stack_set_visible_child_name (GTK_STACK (widget), name);
return TRUE;
}
static void static void
gtk_stack_class_init (GtkStackClass *klass) gtk_stack_class_init (GtkStackClass *klass)
{ {
@@ -810,6 +833,8 @@ gtk_stack_class_init (GtkStackClass *klass)
widget_class->measure = gtk_stack_measure; widget_class->measure = gtk_stack_measure;
widget_class->compute_expand = gtk_stack_compute_expand; widget_class->compute_expand = gtk_stack_compute_expand;
widget_class->get_request_mode = gtk_stack_get_request_mode; widget_class->get_request_mode = gtk_stack_get_request_mode;
widget_class->save_state = gtk_stack_save_state;
widget_class->restore_state = gtk_stack_restore_state;
/** /**
* GtkStack:hhomogeneous: (attributes org.gtk.Property.get=gtk_stack_get_hhomogeneous org.gtk.Property.set=gtk_stack_set_hhomogeneous) * GtkStack:hhomogeneous: (attributes org.gtk.Property.get=gtk_stack_get_hhomogeneous org.gtk.Property.set=gtk_stack_set_hhomogeneous)